Process for preparing synthetic ferrierite

Details Process for preparing synthetic ferrierite Process for preparing synthetic ferrierite

C - Chemistry, Metallurgy

01

B

252/15

C01B 33/28 (1980.01)

Patent

CA 1086293

5178 PROCESS FOR PREPARING SYNTHETIC FERRIERITE Abstract of the Disclosure An improved process for preparing synthetic ferrierites having the absorption and catalytic properties characteristic of 5 to 8 angstrom zeolites which comprises promoting by a reaction mixture composed of salts of Group I and Group II cations of the periodic table with lithium salts. The promoted reaction mixture is seeded with natural or synthetic ferrierite seeds, and heated to con- vert the mass to the synthetic ferrierite. The product has the emperieal formula, 0?1 to 0?9 Li2O:0O?1:O?9 R2O:Al2O3:6 to 25 SiO2 wherein R2O is Na2O, K2O, or Rb2O and/or Cs2O. 0?1 to 0?9 Li2O: 0?1 to 0?9 MO:A12O3:6 to 25 SiO2 wherein MO is BaO, CaO, MgO or SrO, or (Li2O:R2O:WO):Al2O3:6-25 SiO2 where R2O is any R2O above and MO is any MO above.

280653

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